CN110206843A - A kind of twin-tub cylinder double chamber hydragas spring - Google Patents
A kind of twin-tub cylinder double chamber hydragas spring Download PDFInfo
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- CN110206843A CN110206843A CN201910493350.9A CN201910493350A CN110206843A CN 110206843 A CN110206843 A CN 110206843A CN 201910493350 A CN201910493350 A CN 201910493350A CN 110206843 A CN110206843 A CN 110206843A
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- hydro
- pneumatic spring
- piston rod
- cylinder barrel
- cylinder
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/063—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid comprising a hollow piston rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3271—Assembly or repair
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/362—Combination of sealing and guide arrangements for piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/368—Sealings in pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
- F16F9/5123—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity responsive to the static or steady-state load on the damper
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of twin-tub cylinder double chamber hydragas springs, using hydro-pneumatic spring cylinder of connecting built in double piston-rod, four chamber two-passes, the hydro-pneumatic spring cylinder including two independent strokes, and the upper and lower serial mechanism of two hydro-pneumatic spring cylinders.When low-load, the upper hydro-pneumatic spring cylinder compression buffering downlink filled with low-pressure nitrogen does not work, the lower hydro-pneumatic spring cylinder pressure filled with high pressure nitrogen is higher than upper hydro-pneumatic spring cylinder at this time at this time filled with hydro-pneumatic spring cylinder under high pressure nitrogen.When load reaches certain value, the upper hydro-pneumatic spring cylinder buffering filled with low pressure is continued traveling downwardly, and when reaching the high pressure nitrogen pressure of lower hydro-pneumatic spring cylinder, at this point, hydro-pneumatic spring cylinder works together up and down, reaches good buffering effect.The present invention, which realizes traction engine, all has good buffering effect in unloaded, heavily loaded overall process.
Description
Technical field
The present invention relates to hydro-pneumatic spring technical fields, more particularly to a kind of twin-tub cylinder double chamber hydragas spring.
Background technique
Automobile when driving, vibration is generated by the impact from road surface on uneven road surface, in order to mitigate impact, decaying
Vibration is installed in parallel in suspension system and has elastic component and damper.Wherein, elastic element is used to absorb impact energy to filter
The vibration on road surface, but spring itself also has reciprocating motion, and damper is exactly for inhibiting this spring to jump.
Currently, generally using helical spring as elastic element, luxury car, heavy engineering vehicle meeting in automobile suspension system
Using hydro-pneumatic spring.Hydro-pneumatic spring, thus can be one relative to helical spring because it is with good nonlinear stiffness characteristic
Determine the comfort and stability that improve vehicle in degree.
Although current hydro-pneumatic spring has the advantages that rigidity with load change, also suffer from certain drawbacks simultaneously: by
Rigidity is generally adjusted by the blowing pressure in hydro-pneumatic spring cylinder, is also had through the structure of piston or cylinder barrel and is changed damping or rigid
Degree, but buffering is too short when the variation range of effective rigidity is all less than normal or rigidity is big, and lengthen the stroke of hydro-pneumatic spring cylinder by
To the limitation in space.If heavy-duty vehicle requires a good cushion stroke in unloaded and full load with hydro-pneumatic spring cylinder, such as
There is buffering effect when unloaded, full load buffering effect is then poor；Change starting rigidity by the blowing pressure, guarantees full load buffering effect
Fruit is good, and rigidity is too big when zero load, and buffering effect is deteriorated, and increases limitation of the stroke by height of car.
Therefore, for traditional hydro-pneumatic spring, how to realize has good elastic characteristic in zero load, when overloaded can be with
Become rigid suspension, absorb more impact energy, inhibit the vibration of vehicle frame, this is current problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of twin-tub cylinder double chamber hydragas springs, solve existing hydro-pneumatic spring in heavy-duty vehicle
The poor problem of unloaded, heavily loaded overall process buffering effect.
The technical scheme adopted by the invention is that:
A kind of twin-tub cylinder double chamber hydragas spring, including upper hydro-pneumatic spring and lower hydro-pneumatic spring, the upper hydro-pneumatic spring and
Lower hydro-pneumatic spring is the setting of upper and lower serial mechanism, and the upper hydro-pneumatic spring includes upper cylinder barrel, upper piston rod, upper piston, guide sleeve
And rear cover, the lower hydro-pneumatic spring include lower cylinder barrel, lower piston rod, lower piston and rear end cap,
Wherein, the upper piston rod and upper piston are nested in cylinder barrel, and the lower piston rod and lower piston are nested in down
In cylinder barrel, the upper piston rod is internally provided with cavity, and the outer diameter of the lower piston rod is less than the internal diameter of cavity, the lower work
Stopper rod is nested in cavity, and the lower piston rod is moved back and forth along cavity；
The upper end of the upper cylinder barrel is provided with guide sleeve, and the guide sleeve is bolted to connection with upper cylinder barrel, described
The lower end of upper cylinder barrel is provided with rear cover, and the rear cover and upper cylinder barrel are integrally formed；
The upper end of the lower cylinder barrel is bolted to connection with rear cover, and the lower end of the lower cylinder barrel and rear end cap pass through spiral shell
Bolt is fixedly connected；
The bottom end of the upper piston and the top of rear end cap abut against, and the lower end surface of the lower piston and rear end cap offsets
It connects；
Between the upper piston rod, upper piston, guide sleeve and upper cylinder barrel formed A chamber, the lower piston rod, upper piston with it is upper
The first oil pocket is formed between cylinder barrel, is formed B chamber between the lower piston and lower cylinder barrel, is formed between the lower piston and rear end cap
Second oil pocket；The upper cylinder barrel top side is provided with A chamber interface, and the rear end cap side is provided with B chamber interface；
The A chamber passes through at least one check valve respectively and at least one damping hole is connected to the first oil pocket；
The B chamber passes through at least one check valve respectively and at least one damping hole is connected to the second oil pocket.
Further, the upper piston rod and upper piston are integrally formed, and the lower piston rod and lower piston are integrally formed.
Further, it is provided with the first check valve on the upper piston rod, it is unidirectional that second is provided on the lower piston rod
Valve.
Further, it is provided with the first damping hole on the upper piston, the second damping hole is provided on the lower piston.
Further, sealing element is provided at the contact surface of the guide sleeve, upper piston and lower piston and cylinder barrel.
Further, sealing element is provided at the contact surface of the rear cover and lower piston rod.
Preferably, the sealing element is the slip-ring type combined sealing structure that this spy's envelope is constituted with elastic O-ring.
The beneficial effects of the present invention are:
The present invention is using double piston-rod, the built-in hydro-pneumatic spring cylinder of connecting of four chamber two-passes, the oil including two independent strokes
Gas spring cylinder, the upper and lower serial mechanism of two hydro-pneumatic spring cylinders.The upper lower piston rod of hydro-pneumatic spring cylinder is equipped with built-in check valve, piston
On have damping hole.
When low-load, the upper hydro-pneumatic spring cylinder compression buffering downlink filled with low-pressure nitrogen, filled with oil gas bullet under high pressure nitrogen
Spring cylinder does not work at this time, and the lower hydro-pneumatic spring cylinder pressure filled with high pressure nitrogen is higher than upper hydro-pneumatic spring cylinder at this time.When load reaches
When certain value, the upper hydro-pneumatic spring cylinder buffering filled with low pressure is continued traveling downwardly, when reaching the high pressure nitrogen pressure of lower hydro-pneumatic spring cylinder,
At this point, hydro-pneumatic spring cylinder works together up and down, reach good buffering effect.
The present invention, which realizes traction engine, all has good buffering effect in unloaded, heavily loaded overall process.
Present invention is further described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the cross-sectional view that twin-tub cylinder double chamber hydragas spring of the present invention is in extended state.
Fig. 2 is the cross-sectional view that twin-tub cylinder double chamber hydragas spring of the present invention is in compressive state.
In figure, cylinder barrel 7- lower piston rod under the upper cylinder barrel 2- upper piston rod 3- upper piston 4- guide sleeve 5- rear cover 6- of 1-
8- lower piston 9- rear end cap 10-A chamber 11-B chamber 12- the first oil pocket 13- the second oil pocket 14-A chamber interface 15-B chamber interface
16- the first check valve 17- second one-way valve 18- the first damping hole the second damping hole of 19-.
Specific embodiment
In order to deepen the understanding of the present invention, further details of theory is made to the present invention with reference to the accompanying drawings and examples
It is bright.The following examples are only intended to illustrate the technical solution of the present invention more clearly, and cannot be used as a limitation and limit guarantor of the invention
Protect range.
As illustrated in fig. 1 and 2, a kind of twin-tub cylinder double chamber hydragas spring of the present invention, including upper hydro-pneumatic spring and lower oil gas bullet
Spring, upper hydro-pneumatic spring and lower hydro-pneumatic spring be upper and lower serial mechanism setting, upper hydro-pneumatic spring include upper cylinder barrel, upper piston rod, on
Piston, guide sleeve and rear cover, lower hydro-pneumatic spring include lower cylinder barrel, lower piston rod, lower piston and rear end cap,
Wherein, upper piston rod and upper piston are nested in cylinder barrel, and lower piston rod and lower piston are nested in lower cylinder barrel, on
Piston rod is internally provided with cavity, and the outer diameter of lower piston rod is less than the internal diameter of cavity, and lower piston rod is nested in cavity, lower work
Stopper rod is moved back and forth along cavity；
The upper end of upper cylinder barrel is provided with guide sleeve, and guide sleeve is bolted to connection with upper cylinder barrel, the lower end of upper cylinder barrel
It is provided with rear cover, rear cover and upper cylinder barrel are integrally formed；
The upper end of lower cylinder barrel is bolted to connection with rear cover, and the lower end of lower cylinder barrel and rear end cap are bolted company
It connects；
The bottom end of upper piston and the top of rear end cap abut against, and the lower end surface of lower piston and rear end cap abuts against；
A chamber is formed between upper piston rod, upper piston, guide sleeve and upper cylinder barrel, between lower piston rod, upper piston and upper cylinder barrel
The first oil pocket is formed, B chamber is formed between lower piston and lower cylinder barrel, forms the second oil pocket between lower piston and rear end cap；Upper cylinder barrel
Top side is provided with A chamber interface, and rear end cap side is provided with B chamber interface；
A chamber passes through at least one check valve respectively and at least one damping hole is connected to the first oil pocket；
B chamber passes through at least one check valve respectively and at least one damping hole is connected to the second oil pocket.
In the present embodiment, upper piston rod and upper piston are integrally formed, and lower piston rod and lower piston are integrally formed.
It is provided with the first check valve in the present embodiment, on upper piston rod, is provided with second one-way valve on lower piston rod.
It is provided with the first damping hole in the present embodiment, on upper piston, the second damping hole is provided on lower piston.
In the present embodiment, sealing element is provided at the contact surface of guide sleeve, upper piston and lower piston and cylinder barrel.
In the present embodiment, sealing element is provided at the contact surface of rear cover and lower piston rod.
In the present embodiment, sealing element is the slip-ring type combined sealing structure that this spy's envelope is constituted with elastic O-ring, is sealed by this spy
The slip-ring type combined sealing structure constituted with elastic O-ring, the sealing of piston rod and suspension cylinder barrel for hydro pneumatic suspension, can also
With the sealing for piston and cylinder barrel.The geometry of sealing ring is stairstepping, can achieve zero leakage, there is 2 under sealing ring
Abrasion of the O-shaped rubber ring with pre compressed magnitude as elastomer, to compensation sealing circle.This sealing has good self-lubricating
Property, anti-creep and corrosion resistance, and coefficient of friction is low.
Twin-tub cylinder double chamber hydragas spring of the present invention uses the built-in hydro-pneumatic spring cylinder of connecting of double piston-rod, four chamber two-passes,
It being made of twin-tub cylinder, upper piston rod is internally provided with cavity, and lower piston rod is nested in cavity, it is moved back and forth along cavity,
The operating path of lower piston rod is limited, though reducing the stroke of hydro-pneumatic spring cylinder, ensure that the steady of hydro-pneumatic spring cylinder operation
It is qualitative, it is suitble to heavy-duty vehicle conditional for height of car.
The specific work process of twin-tub cylinder double chamber hydragas spring of the present invention is:
When low-load, the upper hydro-pneumatic spring cylinder compression buffering downlink filled with low-pressure nitrogen, filled with oil gas bullet under high pressure nitrogen
Spring cylinder does not work at this time, and the lower hydro-pneumatic spring cylinder pressure filled with high pressure nitrogen is higher than upper hydro-pneumatic spring cylinder at this time.When load reaches
When certain value, the upper hydro-pneumatic spring cylinder buffering filled with low pressure is continued traveling downwardly, when reaching the high pressure nitrogen pressure of lower hydro-pneumatic spring cylinder,
At this point, hydro-pneumatic spring cylinder works together up and down, reach good buffering effect.
The working principle of two hydro-pneumatic springs is identical as general single chamber hydragas spring up and down in the present invention, fills in A chamber
There is a low-pressure nitrogen, filled with high pressure nitrogen in B chamber, when external load impacts, upper piston rod is compressed into the first oil pocket, liquid
Pressure oil enters A chamber through the first check valve and the first damping hole, and because the intracavitary portion's low-pressure nitrogen volume of A becomes smaller, pressure increases, with load
It is rapidly achieved balance, plays buffer function；When external load reaches the high pressure nitrogen pressure of lower hydro-pneumatic spring cylinder, at this point, on
Lower hydro-pneumatic spring cylinder works together, and lower piston rod is compressed into the second oil pocket, and hydraulic oil is through second one-way valve and the second damping hole
Into B chamber, because the intracavitary portion's high pressure nitrogen volume of B becomes smaller, pressure increases, and is rapidly achieved balance with load, reaches good buffering
Effect.
When upper hydro-pneumatic spring is when in a compressed state, the damping force of upper hydro-pneumatic spring is relatively low, pooling feature mainly by
Air compression variation is completed, and when the load of upper hydro-pneumatic spring reaches the high pressure nitrogen pressure of lower hydro-pneumatic spring, under introducing
The high pressure nitrogen of hydro-pneumatic spring, lower hydro-pneumatic spring realizes secondary buffer；When upper hydro-pneumatic spring is in reset condition, upper oil gas bullet
Closed check valve in spring cylinder, oil liquid can only be flowed through by damping hole, increase oil flow in this way, and upper hydro-pneumatic spring cylinder generates
Biggish damping force, it is suppressed that restoring movement, and rapidly decaying vibration.The purpose of present apparatus is exactly to utilize two concatenated oil gas
The variation rigidity of spring cylinder and variable resistance damping characteristics reach good buffering and effectiveness in vibration suppression.
It is noted that embodiment described above is the affiliated technology neck to the illustrative and not limiting of technical solution of the present invention
The equivalent replacement of domain those of ordinary skill or other modifications made according to the prior art, as long as not exceeding the technology of the present invention side
The thinking and range of case, should be included within interest field of the presently claimed invention.
Claims (7)
1. a kind of twin-tub cylinder double chamber hydragas spring, it is characterised in that: described to oil including upper hydro-pneumatic spring and lower hydro-pneumatic spring
Gas spring and lower hydro-pneumatic spring are the setting of upper and lower serial mechanism, and the upper hydro-pneumatic spring includes upper cylinder barrel, upper piston rod, upper work
Plug, guide sleeve and rear cover, the lower hydro-pneumatic spring include lower cylinder barrel, lower piston rod, lower piston and rear end cap,
Wherein, the upper piston rod and upper piston are nested in cylinder barrel, and the lower piston rod and lower piston are nested in lower cylinder barrel
Interior, the upper piston rod is internally provided with cavity, and the outer diameter of the lower piston rod is less than the internal diameter of cavity, the lower piston rod
It is nested in cavity, the lower piston rod is moved back and forth along cavity；
The upper end of the upper cylinder barrel is provided with guide sleeve, and the guide sleeve is bolted to connection with upper cylinder barrel, the upper cylinder half
The lower end of cylinder is provided with rear cover, and the rear cover and upper cylinder barrel are integrally formed；
The upper end of the lower cylinder barrel is bolted to connection with rear cover, and the lower end of the lower cylinder barrel and rear end cap are solid by bolt
Fixed connection；
The bottom end of the upper piston and the top of rear end cap abut against, and the lower end surface of the lower piston and rear end cap abuts against；
A chamber, the lower piston rod, upper piston and upper cylinder barrel are formed between the upper piston rod, upper piston, guide sleeve and upper cylinder barrel
Between form the first oil pocket, between the lower piston and lower cylinder barrel formed B chamber, form second between the lower piston and rear end cap
Oil pocket；The upper cylinder barrel top side is provided with A chamber interface, and the rear end cap side is provided with B chamber interface；
The A chamber passes through at least one check valve respectively and at least one damping hole is connected to the first oil pocket；
The B chamber passes through at least one check valve respectively and at least one damping hole is connected to the second oil pocket.
2. a kind of twin-tub cylinder double chamber hydragas spring according to claim 1, it is characterised in that: the upper piston rod with it is upper
Piston is integrally formed, and the lower piston rod and lower piston are integrally formed.
3. a kind of twin-tub cylinder double chamber hydragas spring according to claim 1, it is characterised in that: set on the upper piston rod
It is equipped with the first check valve, is provided with second one-way valve on the lower piston rod.
4. a kind of twin-tub cylinder double chamber hydragas spring according to claim 1, it is characterised in that: be arranged on the upper piston
There is the first damping hole, the second damping hole is provided on the lower piston.
5. a kind of twin-tub cylinder double chamber hydragas spring according to claim 1, it is characterised in that: the guide sleeve, upper work
Sealing element is provided at the contact surface of plug and lower piston and cylinder barrel.
6. a kind of twin-tub cylinder double chamber hydragas spring according to claim 1, it is characterised in that: the rear cover and lower piston
Sealing element is provided at the contact surface of bar.
7. a kind of twin-tub cylinder double chamber hydragas spring according to claim 5 or 6, it is characterised in that: the sealing element is
The slip-ring type combined sealing structure that Si Te envelope is constituted with elastic O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493350.9A CN110206843A (en) | 2019-06-06 | 2019-06-06 | A kind of twin-tub cylinder double chamber hydragas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493350.9A CN110206843A (en) | 2019-06-06 | 2019-06-06 | A kind of twin-tub cylinder double chamber hydragas spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110206843A true CN110206843A (en) | 2019-09-06 |
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ID=67791538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910493350.9A Pending CN110206843A (en) | 2019-06-06 | 2019-06-06 | A kind of twin-tub cylinder double chamber hydragas spring |
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| CN (1) | CN110206843A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113064A (en) * | 2020-09-26 | 2020-12-22 | 宜宾学院 | Series oil cylinder type acceleration controller |
| CN114408223A (en) * | 2021-12-21 | 2022-04-29 | 兰州空间技术物理研究所 | Quick reset buffer device of power adjusting mechanism |
-
2019
- 2019-06-06 CN CN201910493350.9A patent/CN110206843A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113064A (en) * | 2020-09-26 | 2020-12-22 | 宜宾学院 | Series oil cylinder type acceleration controller |
| CN114408223A (en) * | 2021-12-21 | 2022-04-29 | 兰州空间技术物理研究所 | Quick reset buffer device of power adjusting mechanism |
| CN114408223B (en) * | 2021-12-21 | 2023-08-15 | 兰州空间技术物理研究所 | Quick buffer that returns to normal of power adjustment mechanism |
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